Adapter for telephone receivers having
a small stray magnetic field



DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at therequest of the applicant or owner in accordance with the Notice of Dec.16. 1969. 869 0.6. 687. The abstracts of Defensive Publicationapplications are identified by distinctly numbered series and arearranged chronologically. The heading or each abstract indicates thenumber of pages of specification, including claims and sheets ofdrawings contained in the application as originally filed. The files ofthese applications are available to the public for inspection andreproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to themerits of alleged invention. The Patent Oilice makes no assertion as tothe novelty ot the disclosed subject matter.

PUBLISHED NOVEMBER 24, 1970 T880,003 ADAPTER FOR TELEPHONE RECEIVERSHAVING A SMALL STRAY MAGNETIC FIELD Gary L. Spahn, Indianapolis, Ind.,assignor to Bell Telephone Laboratories, Incorporated, Murray Hill andBerkeley Heights, N.J., a corporation of New York Filed May 5, 1969,Ser. No. 821,692 Int. Cl. H04r 25/20 US. Cl. 179--1 2 Sheets Drawing. 7Pages Specification llllllllllllllllllt-(Z 1 65 Filed May 5, 1969 PAHNT80003 2 Sheets-Sheet 1 F/GJ W 5O 5i u 22 65 -'I :if [I if FF/G. 2A

l/VVENTOR G. L SPAH/V ATTORNEY ADAPTER FOR TELEPHONE RECEIVERS HAVING ASMALL STRAY MAGNETIC FIELD Filed May 5. 1969 2 Sheets-Sheet 2

